| Country | Organist | Composer | Composer & Organist | Organ Builder | Other | Total |
|---|---|---|---|---|---|---|
| Algeria | 1 | 3 | 1 | 0 | 1 | 6 |
| Argentina | 2 | 27 | 3 | 0 | 6 | 38 |
| Armenia | 1 | 3 | 0 | 0 | 1 | 5 |
| Australia | 17 | 63 | 24 | 1 | 5 | 110 |
| Austria | 7 | 161 | 57 | 4 | 16 | 245 |
| Azerbaijan | 0 | 6 | 0 | 0 | 0 | 6 |
| Belgium | 15 | 156 | 74 | 2 | 15 | 262 |
| Bermuda | 1 | 1 | 0 | 0 | 0 | 2 |
| Bohemia | 12 | 41 | 26 | 1 | 12 | 92 |
| Bolivia | 0 | 1 | 0 | 0 | 0 | 1 |
| Brazil | 0 | 30 | 4 | 0 | 5 | 39 |
| British Guiana | 1 | 0 | 0 | 0 | 0 | 1 |
| Bulgaria | 0 | 8 | 0 | 0 | 4 | 12 |
| Burgundy | 0 | 1 | 1 | 0 | 0 | 2 |
| Canada | 11 | 134 | 39 | 4 | 6 | 194 |
| Catalan | 0 | 1 | 0 | 0 | 0 | 1 |
| Ceylon | 1 | 1 | 0 | 0 | 0 | 2 |
| Chile | 1 | 6 | 0 | 0 | 0 | 7 |
| China | 0 | 5 | 0 | 0 | 1 | 6 |
| Columbia | 0 | 5 | 1 | 0 | 0 | 6 |
| Corsica | 0 | 0 | 1 | 0 | 0 | 1 |
| Costa Rica | 0 | 1 | 0 | 0 | 0 | 1 |
| Croatia | 1 | 11 | 2 | 0 | 3 | 17 |
| Czechoslovakia | 0 | 116 | 6 | 0 | 5 | 127 |
| Denmark | 10 | 142 | 61 | 0 | 10 | 223 |
| Dominican Republic | 0 | 0 | 1 | 0 | 0 | 1 |
| East Prussia | 0 | 2 | 3 | 0 | 0 | 5 |
| Ecuador | 0 | 1 | 1 | 0 | 0 | 2 |
| England | 3481 | 819 | 1020 | 169 | 85 | 5574 |
| Estonia | 0 | 26 | 3 | 0 | 1 | 30 |
| Finland | 0 | 113 | 20 | 0 | 0 | 133 |
| Flanders | 1 | 4 | 5 | 0 | 0 | 10 |
| France | 49 | 559 | 267 | 10 | 48 | 933 |
| Georgia | 0 | 1 | 0 | 0 | 1 | 2 |
| Germany | 175 | 1348 | 550 | 62 | 90 | 2225 |
| Ghana | 0 | 1 | 0 | 0 | 0 | 1 |
| Greece | 0 | 3 | 0 | 0 | 0 | 3 |
| Guernsey | 1 | 0 | 1 | 0 | 0 | 2 |
| Holland | 18 | 261 | 201 | 1 | 36 | 517 |
| Hong Kong | 1 | 2 | 1 | 0 | 0 | 4 |
| Hungary | 4 | 69 | 13 | 0 | 2 | 88 |
| Iceland | 0 | 22 | 2 | 0 | 1 | 25 |
| India | 8 | 3 | 5 | 0 | 2 | 18 |
| Indonesia | 0 | 2 | 0 | 0 | 0 | 2 |
| Ireland | 99 | 31 | 13 | 8 | 3 | 154 |
| Isle-of-Man | 4 | 1 | 0 | 0 | 0 | 5 |
| Israel | 0 | 2 | 0 | 0 | 0 | 2 |
| Italy | 45 | 441 | 191 | 27 | 37 | 741 |
| Japan | 1 | 31 | 2 | 0 | 0 | 34 |
| Java | 0 | 2 | 0 | 0 | 0 | 2 |
| Jersey | 12 | 0 | 1 | 0 | 0 | 13 |
| Korea | 0 | 3 | 0 | 0 | 0 | 3 |
| Latvia | 2 | 41 | 3 | 0 | 1 | 47 |
| Lebanon | 0 | 0 | 2 | 0 | 0 | 2 |
| Liechtenstein | 0 | 0 | 1 | 0 | 0 | 1 |
| Lithuania | 0 | 24 | 2 | 0 | 0 | 26 |
| Luxembourg | 0 | 4 | 0 | 0 | 0 | 4 |
| Madagascar | 0 | 0 | 0 | 0 | 1 | 1 |
| Malaya | 0 | 0 | 0 | 0 | 1 | 1 |
| Malta | 0 | 3 | 0 | 0 | 0 | 3 |
| Mexico | 0 | 14 | 3 | 0 | 4 | 21 |
| Minorca | 1 | 0 | 0 | 0 | 0 | 1 |
| Monaco | 0 | 1 | 0 | 0 | 0 | 1 |
| Moravia | 1 | 21 | 9 | 0 | 2 | 33 |
| New Zealand | 7 | 26 | 12 | 1 | 1 | 47 |
| Nigeria | 1 | 2 | 3 | 0 | 0 | 6 |
| Norway | 4 | 126 | 45 | 0 | 7 | 182 |
| Palestine | 0 | 2 | 0 | 0 | 0 | 2 |
| Panama | 0 | 1 | 0 | 0 | 0 | 1 |
| Peru | 2 | 3 | 3 | 0 | 0 | 8 |
| Philippines | 0 | 2 | 0 | 0 | 0 | 2 |
| Poland | 3 | 111 | 5 | 0 | 20 | 139 |
| Portugal | 1 | 11 | 4 | 0 | 0 | 16 |
| Prussia | 1 | 0 | 0 | 0 | 0 | 1 |
| Puerto Rico | 0 | 2 | 0 | 0 | 0 | 2 |
| Romania | 0 | 34 | 1 | 0 | 3 | 38 |
| Russia | 2 | 106 | 7 | 0 | 4 | 119 |
| Scotland | 201 | 47 | 36 | 3 | 7 | 294 |
| Serbia | 0 | 0 | 1 | 0 | 0 | 1 |
| Sicily | 0 | 6 | 2 | 0 | 0 | 8 |
| Sierra Leone | 0 | 1 | 0 | 0 | 0 | 1 |
| Slovakia | 0 | 5 | 2 | 0 | 0 | 7 |
| Slovenia | 0 | 11 | 3 | 0 | 0 | 14 |
| South Africa | 13 | 20 | 5 | 0 | 2 | 40 |
| Spain | 17 | 160 | 95 | 1 | 10 | 283 |
| Sumatra | 1 | 0 | 0 | 0 | 0 | 1 |
| Sweden | 2 | 273 | 80 | 1 | 3 | 359 |
| Switzerland | 10 | 187 | 48 | 1 | 20 | 266 |
| Taiwan | 0 | 2 | 0 | 0 | 0 | 2 |
| Tanganyika | 0 | 1 | 0 | 0 | 0 | 1 |
| Trinidad | 1 | 0 | 0 | 0 | 0 | 1 |
| Turkey | 1 | 3 | 0 | 0 | 0 | 4 |
| U.S.A. | 151 | 994 | 418 | 4 | 141 | 1708 |
| U.S.S.R. | 0 | 5 | 1 | 0 | 1 | 7 |
| Uganda | 1 | 0 | 0 | 0 | 0 | 1 |
| Ukraine | 1 | 15 | 0 | 0 | 1 | 17 |
| Uruguay | 0 | 5 | 0 | 0 | 0 | 5 |
| Uzbekistan | 0 | 6 | 0 | 0 | 0 | 6 |
| Venezuela | 0 | 1 | 1 | 0 | 0 | 2 |
| Vietnam | 0 | 3 | 0 | 0 | 0 | 3 |
| Wales | 165 | 29 | 24 | 0 | 3 | 221 |
| Western Samoa | 0 | 1 | 0 | 0 | 0 | 1 |
| Yugoslavia | 0 | 21 | 0 | 0 | 1 | 22 |
| Unknown | 1675 | 1314 | 175 | 351 | 174 | 3689 |
| Total | 6244 | 8314 | 3591 | 651 | 803 | 19603 |